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CN1235749C - Bottom cutter for small printer and cutting device including same - Google Patents

Bottom cutter for small printer and cutting device including same Download PDF

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Publication number
CN1235749C
CN1235749C CNB021443343A CN02144334A CN1235749C CN 1235749 C CN1235749 C CN 1235749C CN B021443343 A CNB021443343 A CN B021443343A CN 02144334 A CN02144334 A CN 02144334A CN 1235749 C CN1235749 C CN 1235749C
Authority
CN
China
Prior art keywords
cutter
lower cutter
upper cutter
cutting
biasing means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB021443343A
Other languages
Chinese (zh)
Other versions
CN1438119A (en
Inventor
宋钟元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bixolon Co Ltd
Original Assignee
Development Co ltd
Samsung Electro Mechanics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR10-2002-0008140A external-priority patent/KR100415399B1/en
Priority claimed from KR10-2002-0008139A external-priority patent/KR100430518B1/en
Priority claimed from KR10-2002-0030744A external-priority patent/KR100432500B1/en
Application filed by Development Co ltd, Samsung Electro Mechanics Co Ltd filed Critical Development Co ltd
Publication of CN1438119A publication Critical patent/CN1438119A/en
Application granted granted Critical
Publication of CN1235749C publication Critical patent/CN1235749C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/20—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member
    • B26D1/205—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B41J11/706—Applications of cutting devices cutting perpendicular to the direction of paper feed using a cutting tool mounted on a reciprocating carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0267—Splitting
    • Y10T83/0281—By use of rotary blade
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9403—Disc type

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handling Of Sheets (AREA)

Abstract

A lower cutter for a compact printer and a cutting apparatus including the same are disclosed for preventing a paper jam and reducing manufacturing costs. The cutting apparatus includes a hinge plate to which an upper surface of a lower cutter is fixed, a plurality of biasing members located below the lower cutter for providing a biasing force to the lower cutter, a base member for allowing the biasing members to be located thereon and allowing the hinge plate to be coupled thereto by a hinge, a carriage for rotatably supporting the upper cutter partially overlapping the lower cutter and for laterally moving the upper cutter; and an upper case and a lower case for accommodating the carriage and the driving device of the upper cutter.

Description

Be used for the lower cutter of miniprinter and contain the cutter sweep of this lower cutter
Technical field
The present invention relates to a kind of cutter sweep that is used for the lower cutter of miniprinter and contains this lower cutter, and more particularly, relate to a kind of cutter sweep that is used for the lower cutter of miniprinter and contains this lower cutter, wherein lower cutter contains a cutting blade, cutting blade has a zone that dwindles that is engaged to upper cutter, be suitable for elastic displacement, thereby prevent paper jam phenomenon and reduce the size of lower cutter.
Background technology
In general, the miniprinter paper that is often used in providing from the certain width coil paper is printed with dot printing mode or inkjet printing mode and is produced the receipt etc. of itemize and send the itemize receipt etc. of this printing.
This miniprinter can be divided into scissors-type, male contact type and rotary-type according to the shape of cutting knife.
Fig. 1 represents the conventional small printer that parts of valve (shutter member) is wherein opened with perspective fashion.As shown in FIG., traditional miniprinter 1 comprises a upper cutter and a lower cutter that is positioned on the printer body 1-2 that is positioned on the clam shell cover plate 1-1.Upper cutter 10 with when lower cutter 20 closely contact from an end of printing paper to its opposite end laterally operation with will be from printing paper " P " cut-out of printer body 1-2 output.
The cutaway view of Fig. 2 and 3 for concerning between the upper cutter of expression conventional small printer and the lower cutter.As shown in FIG., upper cutter 10 is rotary-type automatic cutter, is arranged to be rotated and supported by travelling carriage 3 by drive unit.Travelling carriage 3 is provided with driven wheel with the coupling of an end of turning cylinder " H " in the one side.Turning cylinder " H " is coupled to the upper cutter of certain diameter at its other end.Turning cylinder " H " also is provided with the elastic device of inserting thereon " S " between travelling carriage 3 and upper cutter 10.
Travelling carriage 3 is contained in the casing.Casing 4 is provided with parts of valve 5 at its front upper part, and the one end is by joint pin " h " swivel bearing.
Parts of valve 5 is arranged to cover casing 4 and upper cutter 10 enters casing 4 to prevent printing paper in cutting operation process.
Lower cutter 20 is fixed on the printer body 1-2.More particularly, lower cutter 20 is installed in the both allocations on the fixed part 2, make lower cutter 20 when contacting with upper cutter 10 and upper cutter 10 parts superimposed.
In traditional miniprinter, upper cover plate 1-1 is hingedly mounted on the printer body 1-2.When upper cover plate 1-1 closed, upper cutter 10 was overlapped and is engaged to the static lower cutter 20 that is fixed on the printer body 1-2.Along with the transverse movement of upper cutter 10 when rotating, the cutting blade 20-1 of upper cutter 10 and lower cutter 20 gradually meet with cleavage printing paper therebetween.
Lower cutter 20 is made by the sheet metal of set thickness, and is fixed on the fixed part 2, and fixed part 2 is arranged separately on the printer body 1-2.Rotary-type upper cutter 10 is from out to out in its periphery and lower cutter 10 meets, to cut off both printing papers from wherein exporting of measured length.
Upper cover plate embeds into the clam shell shape, and is hinged to printer body one side by the swivel pin (not shown).When upper cover plate is closed and sealed during to printer body, upper cutter and lower cutter are positioned at the position as shown in Fig. 2 and 3.
Fig. 2 be illustrated in upper cover plate sealed to the printer body the superimposed width " L1 " between upper cutter and the lower cutter, Fig. 3 represents when the complete sealed superimposed width " L2 " between upper cutter and the lower cutter during to printer body of upper cutter.
In this clam shell upper cover plate, wherein the hinge point of upper cover plate is arranged to be higher than upper cover plate, and it is less to open and close the required space of upper cutter, thereby the replacing of printing paper is comparatively bothered.On the contrary, when the hinge point of upper cover plate was lower than upper cutter, the superimposed width deficiency of upper cutter and lower cutter was so that upper cutter is crossed lower cutter.
Owing to this reason, in the clam shell miniprinter, upper cutter 10 is closely related with the superimposed width of lower cutter 20 and the hinge point of upper cover plate.Although preferably the superimposed width of upper cutter and lower cutter is arranged to as shown in Figure 2 " L1 ", cover plate swing therein is with under the clam shell situation that opens and closes, and superimposed width " L2 " must satisfy.Therefore, it is big that the contact surface between printing paper and the upper cutter becomes, the degradation that causes cutting paper.
When upper cover plate 1-1 closed with respect to printer body 1-2, upper cutter 10 engaged with the cutting blade of lower cutter 20.Then, along with upper cutter 10 laterally moves when rotating, its edge from an end to the other end and the cutting blade of lower cutter 20 gradually meet with cleavage printing paper therebetween.
Correspondingly, be used for upper cutter synergy serve as to keep its precision to need periodic maintenance with the cutting blade of the lower cutter upper surface of cutting paper.That is to say, owing to lower cutter along with the long-term use of printer its upper surface that weares and teares, so the cutting performance of lower cutter worsens along with its degree of wear.
The printing paper that this wearing and tearing of lower cutter can cause exporting and discharging has irregular line of cut, and can produce paper jam phenomenon at the cutting blade place.
Owing to this reason, although lower cutter must accurately grind at its upper surface that contacts with upper cutter, because the deformation that grinding or heat treatment cause makes the thickness or the size that reduce lower cutter be restricted.In other words, the overall dimensions that reduces lower cutter difficulty more.
Consequently, must will replace with old lower cutter regularly new, thereby have economically shortcoming.
Superimposed on lower cutter 20 time when upper cutter 10, be inserted between travelling carriage 3 and the upper cutter 10 elastic device " S " on the turning cylinder " H " with upper cutter 10 bias voltages to lower cutter 20.The printing paper " P " of discharging from printer by upper cutter 10 transverse movement and cut by the rotation of the upper cutter 10 of driven wheel " G " generation.When paper is further discharged, between the paper end under the line of cut can not be by upper cutter and lower cutter but can be crooked and pass below the lower cutter 10.
For this reason, need guarantee the discharge path of printing paper, thereby need other structure to limit discharge path.Therefore, limited upper cutter has been decreased to set size or littler.
Printing paper provides as coil paper, and its drum diameter reduces gradually in print progress.Because the minor diameter of coil paper, the feasible paper that is provided by coil paper must be reeled or be curled, thereby causes the paper jam phenomenon of curling paper.
When upper cutter passes through when laterally moving with cutting recording paper with respect to lower cutter, parts of valve 5 around joint pin " h " swing to prevent the paper jam phenomenon of printing paper.Therefore, because the operative radius of parts of valve makes the overall dimensions that reduces cutter sweep be restricted equally.
Summary of the invention
Correspondingly, the present invention considers the above-mentioned problems in the prior art and makes, and one object of the present invention is to provide a kind of cutter sweep that is used for the lower cutter of miniprinter and contains this lower cutter, is intended to by allowing lower cutter to prevent paper jam phenomenon with respect to upper cutter as elastic displacement and reducing the size of cutting knife.
Another object of the present invention is to provide a kind of cutter sweep that is used for the lower cutter of miniprinter and contains this lower cutter, be intended to allow during to printer body upper cutter stably to be positioned on the lower cutter when upper cover plate is sealed, and by reducing the line of cut that width that the lower cutter cutting blade engages with upper cutter improves printing paper to greatest extent.
A further object of the present invention is to provide a kind of cutter sweep that is used for the lower cutter of miniprinter and contains this lower cutter, is intended to realize preventing the deformation of lower cutter and increasing the service life by the structure of improving the lower cutter cutting blade.
To achieve these goals, the invention provides a kind of lower cutter that is used for miniprinter, be arranged to and be contained in rotary-type upper cutter meet in the cover plate with cutting recording paper, this lower cutter comprises: a hinge plate, and the upper surface of described lower cutter is fixed on it; Biasing device is positioned at above-mentioned lower cutter below, is used for providing biasing force to lower cutter; With a base component, above-mentioned biasing device position thereon.
The present invention also provides a kind of lower cutter that is used for miniprinter, be arranged to and be contained in rotary-type upper cutter meet in the cover plate with cutting recording paper, this lower cutter comprises: a locator protrusions, be formed on its vertical cutting blade, and described upper cutter location is thereon.
In addition, the invention provides a kind of cutter sweep that is used for miniprinter, comprising: a lower cutter that is located on the printer body; Installation upper cutter on the cover board, described cover plate are pivotably connected on the printer body and be positioned on the described lower cutter; A hinge plate, the upper surface of described lower cutter is fixed on it; Biasing device is positioned at described lower cutter below, is used for providing biasing force to lower cutter; A base component, above-mentioned biasing device position thereon and described hinge plate fix swingably on it, described base component is installed on the printer body; A travelling carriage that is used to keep described upper cutter; With the drive unit that is used for laterally moving described travelling carriage.
The present invention also provides a kind of cutter sweep that is used for miniprinter, comprising: a rotary-type upper cutter, be installed on the cover plate of miniprinter, and laterally move and rotate by drive unit; With a lower cutter, be fixedly mounted on the printer body and be positioned to be basically perpendicular to described upper cutter, with the tight state of contact of upper cutter under cutting recording paper.
In addition, the invention provides a kind of cutter sweep that is used for miniprinter, comprising: a rotary-type upper cutter is installed in the end of a cover plate and is arranged to and can laterally move; With a lower cutter, be installed on the printer body and along the longitudinal a lateral bending song to form the cutting blade engage with described upper cutter.
Description of drawings
From the detailed description that provides below in conjunction with accompanying drawing, can more be expressly understood above-mentioned and other purposes, characteristic and other advantages of the present invention.In the accompanying drawing:
Fig. 1 represents the perspective view of conventional small printer;
The cutaway view of Fig. 2 and 3 expression conventional small printer upper cutters and lower cutter position relation;
Fig. 4 represents the perspective view according to lower cutter of the present invention;
Fig. 5 and 6 expressions are according to the cutaway view of upper cutter of the present invention and lower cutter position relation;
Fig. 7 is illustrated in and moves the upper cutter plane that engages with lower cutter simultaneously on the lower cutter;
Fig. 8 represents the cutaway view of miniprinter according to another embodiment of the present invention, and wherein lower cutter is positioned to perpendicular to upper cutter; And
Fig. 9 represents to be engaged to the plane of the upper cutter of Fig. 8 lower cutter.
The specific embodiment
With way of example the present invention is further elaborated with reference to the accompanying drawings.
Fig. 5 and 6 expression upper cutters are with respect to the cutaway view of the position relation of lower cutter.
Cutter sweep according to the present invention is arranged to come cutting recording paper by the lower cutter 20 and the meet of rotary-type upper cutter 10, and wherein upper cutter 10 is fixed on the cover plate 1-1 that is installed on the printer body 1-2.
Cutter sweep comprises a hinge plate 11, is fixed on the upper surface of lower cutter 20; A plurality of biased elements " S " are positioned at lower cutter 20 belows, are used for providing biasing force to lower cutter 20; A base component 12 is used to allow biased element " S " position thereon and allow hinge plate 11 to be coupled with it by hinge; A travelling carriage 13 is used for superimposed upper cutter 10 and the horizontal mobile upper cutter 10 on lower cutter 20 of rotatably support part; And a upper casing 14 and a lower casing 15, be used to hold the drive unit of travelling carriage 13 and upper cutter 10.
The hinge plate 11 that lower cutter 20 is fixed on it is provided with joint pin " h " in its both sides, and is coupled to the top of base component 12 by its joint pin " h ".Hinge plate 11 and lower cutter 20 are located with certain inclination angle by biased element " S " together.
Upper cutter 10 is installed on the common axis of travelling carriage 13 with driven wheel " G ".The travelling carriage 13 that wherein contains upper cutter 10 is from one end to the other side laterally moved by drive unit.
Except that the movable part of upper cutter 10, upper casing 14 and lower casing 15 bend towards upper cutter 10 and fit together mutually in its front portion.
In other words, upper casing 14 and lower casing 15 are assembled into the shape of an enclosure except a movable part, and wherein the ledge of upper cutter 10 moves in this movable part.
Lower cutter 20 is provided with an arcuation locator protrusions 22 in the one side, is used to allow upper cutter 10 to locate thereon and the cutting blade 21 from locator protrusions 22 longitudinal extensions.
Locator protrusions 22 is outstanding to have circular shape.Locator protrusions 22 is preferably configured as the size that has corresponding to following width, and its width makes that the front end of upper cutter 10 is inwardly superimposed from the front end of lower cutter 20.
That is to say that lower cutter 20 is configured such that its locator protrusions 22 has superimposed width " L1 ", its cutting blade 21 that extends from locator protrusions 22 has superimposed width " L2 ".
Biased element " S " can specifically adopt sheet spring or helical form compression spring, is arranged to the hinge plate 11 that elastic bearing contains lower cutter 20.
With reference to Fig. 8 and 9, cutter sweep has according to another embodiment of the present invention wherein drawn.As shown in FIG., this cutter sweep comprises: one is installed in cover plate 1-1 and goes up the rotary-type upper cutter 10 that laterally moves and rotate with by drive unit, with one be fixedly mounted in the lower cutter 20 that printer body 1-2 went up and be positioned to be basically perpendicular to upper cutter 10, with upper cutter 10 tight state of contact under cutting recording paper.
Lower cutter 20 comprises a band-like plate, the thickness that has the square-section and determine.Lower cutter 20 is preferably surperficial thereon to be gone up through heat-treated to engage with upper cutter 10.
Upper cutter 10 is rotary-type cutting knife, is connected to drive unit, and lower cutter 20 is positioned to perpendicular to upper cutter 10, is coupled to the base component 12 that is installed on the printer body 1-2.
Lower cutter 20 vertical fixing are to cutting with scissors plate 11, and the one end is bearing on the base component 12 by biased element " S " bias voltage.Hinge plate 11 is formed with the holddown groove 11a of longitudinal extension, makes lower cutter 20 be inserted in regularly among the holddown groove 11a of hinge plate 11.
The fixing of 20 couples of holddown groove 11a of lower cutter can also be realized by additional adhesive and screw.
As mentioned above, lower cutter 20 is coupled to base component 12 via hinge plate 11, and base component 12 is installed on the printer body 1-2 usually.
Upper cutter 10 contacts with lower cutter at its downside surface, is installed on the travelling carriage of being arranged to laterally move 13.Travelling carriage 13 can laterally be moved by drive unit with upper cutter 10.
Alternatively, can comprise a rotary-type upper cutter 10 according to cutter sweep of the present invention, the front end that is installed in cover plate 1-1 is laterally to move, with a lower cutter 20, be installed on the printer body 1-2, and its cut end be bent upwards so that the surface engagement of its cutting blade 21 to upper cutter 10.
In this embodiment, the cut end of the lower cutter 20 that the surface of its cutting blade 21 contacts with upper cutter 10 is bent upwards, and makes the surface of cutting blade 21 face the top.The width on the surface of cutting blade 21 depends on the thickness of lower cutter 20.
In another embodiment of the present invention, cutter sweep comprises: a rotary-type upper cutter 10, and the front end that is installed in cover plate 1-1 is laterally to move; A lower cutter 20 is bent upwards with the right angle in its cut end, thereby has a surface that is engaged to the cutting blade 21 of upper cutter 10, and is provided with in its cut end and cuts 10 arcuation locator protrusions thereon on one; And the biased element " S " that is positioned at lower cutter 20 belows.
Biased element " S " can specifically adopt sheet spring or helical form compression spring, and is arranged to the hinge plate 11 that elastic bearing contains lower cutter 20, and is the same with the foregoing description.
The function and the effect that the following describes the lower cutter that is used for miniprinter and contain the cutter sweep of this lower cutter.
Fig. 5 represents that according to cutter sweep of the present invention wherein upper cover plate will be sealed to printer body 1-2, and Fig. 6 represents that according to cutter sweep of the present invention wherein upper cutter 10 is superimposed with width " L2 " with lower cutter 20.
When upper cutter 10 parts were positioned on the locator protrusions 22 of lower cutter 20, upper cutter 10 stably was bearing on the locator protrusions 22 by its bigger congruent region, thereby upper cutter 10 can not crossed lower cutter 20.
Upper cutter 10 is outstanding from the plane that limits between the front surface of upper casing 14 and lower casing 15, and combines with travelling carriage 13 inner.Upper cutter 10 by drive unit pass through laterally move simultaneously superimposed on lower cutter 20 and engage, thereby come cutting recording paper " P " by the upper cutter 10 that moves.At this moment, lower cutter 20 and hinge plate 11 are flexibly supported with set inclination angle by the biased element " S " that is positioned on the base component 12.
When upper cutter 10 was positioned on the locator protrusions 22 of lower cutter 20, upper cutter 10 was positioned at the position near printing paper.In response to the signal from printer, the paper " P " through printing and discharging is cut by upper cutter 10 laterally moving under the state that is partly supported by lower cutter.
From locator protrusions 22, upper cutter 10 beginnings contact with cutting blade 21 along the cutting blade 21 of lower cutter 20 is laterally mobile simultaneously.In other words, upper cutter 10 laterally moves simultaneously in cutting operation process and rotates around its axle.
As shown in Figure 7 and since the width " L1 " of the locator protrusions 22 of upper cutter 10 and lower cutter 20 when superimposed greater than the cutting blade 21 of upper cutter 10 and lower cutter 20 width " L2 " when superimposed, so cutter sweep can be finished desirable cutting operation.
In the case, because the cutting blade 21 of the lower cutter 20 that engages of upper cutter 10 is crooked and upwards do certain extension, so lower cutter 20 can have the service life of length than the traditional lower cutter with simple flat plate shape.
More particularly, engage with lower cutter 20 simultaneously along with upper cutter 10 laterally moves and rotates, the cutting blade 21 of lower cutter 20 weares and teares gradually.Yet, because the end of lower cutter 20 is crooked and extend upward and cutting blade 21 is formed on the end of extension, so the lower cutter required time of wearing and tearing significantly is longer than traditional required time of lower cutter wearing and tearing.
In addition because upper cutter 10 laterally moves and rotates simultaneously the cutting blade surface engagement with lower cutter, so the cutting surface of cutting blade by the side surface continuously grinding of upper cutter, thereby new cutting blade surface is provided.Therefore, printing paper can be cut nattily by the cutting blade surface that lower cutter upgrades continuously.
In addition,, thereby significantly reduced the area that lower cutter engages with upper cutter 10, can eliminate the wherein paper jam phenomenon of paper clamp between upper cutter and lower cutter because the cutting blade 21 of lower cutter 20 is bent upwards with the right angle, thus the raising cutting efficiency.
In addition, by reducing the bonding area with upper cutter, can reduce the wear area of lower cutter.Because also being the wear area of lower cutter, bonding area reduced, so can reduce the thermal deformation of upper cutter and lower cutter.Therefore, can prevent to use the deformation of the lower cutter that causes to improve cutting efficiency simultaneously owing to long-term.
Consequently, according to cutter sweep of the present invention,, thereby improved cutting efficiency with respect to traditional cutter sweep cutting recording paper more nattily.
In addition, because there is not restriction in the location of hinge point in the clam shell miniprinter, so cutter sweep of the present invention can provide constructional facility.
Referring again to accompanying drawing, lower cutter 20 is connected to hinge plate 11, and is fixedly mounted on the printer body 1-2 via base component 12.Hinge plate 11 is located with the inclination angle of determining by the biased element that is engaged to lower cutter 20 " S ".Prepare upper cover plate 1-1 by assembling upper casing 14 and lower casing 15.Sealed during to printer body 1-2 as upper cover plate 1-1, the upper cutter 10 that is installed on the travelling carriage 13 that is laterally moved by the drive unit (not shown) is positioned (see figure 5) on the lower cutter 20.
Because upper cutter 10 is positioned on the lower cutter 20 by the sealed of upper cover plate 1-1,, make biased element " S " be compressed between lower cutter 20 and the base component 12 so lower cutter 20 centers on joint pin " h " to lower swing with the hinge plate 11 that keeps lower cutter 20.
Paper " P " through printing and discharging is cut by the rotation of upper cutter 10 and horizontal the moving of travelling carriage 13 in set position.After cutting operation, the free end of follow-up paper " P " can be without any pass through between upper cutter 10 and the lower cutter 20 difficultly.
Paper moves one box-like realize desired zone because upper casing 14 and lower casing 15 are bent to form one at its front surface except upper cutter 10 by being easily.Coil paper is unfolded and discharges by the gap between upper cutter and the lower cutter.
According to the present invention, existence can not increase the size of upper cutter and prevent the advantage of paper jam phenomenon, and these are different with traditional cutter sweep, and in traditional cutter sweep, printing paper is crooked backward and pass through along the lower surface of upper cutter, thereby causes paper jam phenomenon.In addition, because the paper jam phenomenon that needn't provide parts of valve to prevent paper, so can reduce the cost of manufacture of parts.
In the embodiment shown in Fig. 8 and 9, lower cutter 20 vertically is inserted among the holddown groove 11a of hinge plate 11, makes the surface of cutting blade 21 of lower cutter 20 and the following side contacts of upper cutter 10.In the case, along with upper cutter 10 laterally moves, " P " cuts to printing paper.The hinge plate 11 that contains incision 20 is because biased element " S " elastic bearing between hinge plate 11 and base component 12.
According to this embodiment, although the surface of cutting blade 21 that is vertically fixed on the lower cutter 20 of hinge on the plate 11 is according to the situation of upper cutter 10 and noticeable wear, but because the perpendicular positioning of lower cutter 20 makes the surperficial uniform wear of cutting blade 21, so thereby can prevent that concentrated wear from can prevent the frequent replacement of lower cutter 20.In other words, service life that can significant prolongation lower cutter 20.
In addition, because the thickness on the surface of the cutting blade 21 of lower cutter 20, make that compare with traditional tabular lower cutter in service life of lower cutter 20 can significant prolongation.
Correspondingly, because the surface of the cutting blade 21 of lower cutter 20 can upgrade continuously along with the wearing and tearing on cutting blade surface, so this lower cutter 20 makes printing paper fitly to cut.
As mentioned above, the invention provides a kind of cutter sweep that is used for miniprinter, wherein lower cutter is bent upwards at its cutting blade place, and be formed with a locator protrusions in its initial alignment position, upper cutter is superimposed on it, makes that the superimposed area of upper casing and lower casing is maximum and minimum in remaining cutting blade part at the locator protrusions place of lower cutter.Therefore, along with the wearing and tearing of lower cutter cutting blade, the cutting blade surface is upgraded, thereby can prolong the service life of lower cutter and save cost.In addition, because the superimposed area of upper cutter and lower cutter is less, so can improve cutting efficiency to paper.
In addition, because the upper casing and the lower casing of cutter sweep are simple box-like to form one in its front surface bending, paper jam phenomenon has the opening that a upper cutter laterally moves therein, so printing paper can not take place by the gap between upper cutter and the lower cutter.In addition, because traditional parts of valve is optional, so can reduce manufacturing cost and reduce the size of cutting knife.
Although described the preferred embodiments of the present invention for the purpose of illustration, it will be appreciated by those skilled in the art that and to make multiple remodeling, interpolation and replacement, and do not depart from by the disclosed scope and spirit of the present invention of claims.

Claims (9)

1.一种用于小型打印机的下切刀，设置成与装在盖板中的旋转型上切刀交切以切割打印纸，该下切刀包括：1. A lower cutter for a small printer, which is set to intersect with a rotary upper cutter installed in the cover to cut printing paper, the lower cutter includes: 铰板，所述下切刀的上表面固定其上；a hinge plate on which the upper surface of the lower cutter is fixed; 偏压装置，位于所述下切刀下方，用于向下切刀提供偏压力；和biasing means, located below said lower cutter, for providing a biasing force to the lower cutter; and 基座部件，上述偏压装置定位于其上。A base member on which said biasing means is positioned. 2.如权利要求1所述的下切刀，其中所述偏压装置为一片簧。2. The undercutter of claim 1, wherein said biasing means is a leaf spring. 3.如权利要求1所述的下切刀，其中所述偏压装置为一螺旋状压缩弹簧。3. The undercut knife of claim 1, wherein said biasing means is a helical compression spring. 4.一种用于小型打印机的切割装置，包括：4. A cutting device for a small printer, comprising: 下切刀，安装在打印机本体上；The lower cutter is installed on the printer body; 上切刀，安装在一盖板上，该盖板可摆动地连接在打印机本体上并且位于所述下切刀上；The upper cutter is installed on a cover plate, which is swingably connected to the printer body and located on the lower cutter; 铰板，所述下切刀的上表面固定其上；a hinge plate on which the upper surface of the lower cutter is fixed; 偏压装置，位于所述下切刀下方，用于向下切刀提供偏压力；a biasing device, located below the lower cutter, for providing a bias force to the lower cutter; 基座部件，上述偏压装置定位于其上并且所述铰板可摆动地固定其上，所述基座部件安装在打印机本体上；a base member on which the biasing means is located and on which the hinge is swingably secured, the base member being mounted on the printer body; 滑动架，用于保持所述上切刀；和a carriage for holding said upper cutter; and 驱动装置，用于横向移动所述滑动架。a driving device for laterally moving the carriage. 5.如权利要求4所述的切割装置，其中所述偏压装置为一片簧。5. Cutting device as claimed in claim 4, wherein said biasing means is a leaf spring. 6.如权利要求4所述的切割装置，其中所述偏压装置为一螺旋状压缩弹簧。6. The cutting device of claim 4, wherein said biasing means is a helical compression spring. 7.如权利要求4所述的切割装置，其中所述上切刀耦合至所述滑动架的公共轴，并且由驱动装置加以转动。7. The cutting device of claim 4, wherein the upper cutters are coupled to a common shaft of the carriages and are rotated by drive means. 8.如权利要求4所述的切割装置，进一步包括一个上机壳和一个下机壳，用于容纳所述驱动装置和上切刀，所述上机壳和下机壳除了上切刀通过其中突出的区域之外在其前表面弯向彼此。8. The cutting device as claimed in claim 4, further comprising an upper casing and a lower casing for accommodating the driving device and the upper cutter, the upper casing and the lower casing except that the upper cutter passes through The protruding regions thereof are bent toward each other at their front surfaces. 9.一种用于小型打印机的切割装置，包括：9. A cutting device for a small printer, comprising: 旋转型上切刀，安装在一盖板的端部并设置成可以横向移动；和a rotary type upper cutter mounted on the end of a cover plate and arranged to move laterally; and 下切刀，沿着纵向一侧以直角向上弯曲以形成与所述上切刀接合的切割刀片，并且在所述上切刀位于其上的纵向一侧位置处具有弧状定位突起，所述下切刀具有用于弹性支承该下切刀的偏压装置。A lower cutting knife is bent upward at a right angle along one longitudinal side to form a cutting blade engaged with the upper cutting knife, and has an arc-shaped positioning protrusion at a longitudinal side position on which the upper cutting knife is located, the lower cutting knife There is biasing means for resiliently supporting the lower cutter.
CNB021443343A 2002-02-15 2002-10-09 Bottom cutter for small printer and cutting device including same Expired - Fee Related CN1235749C (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR8138/2002 2002-02-15
KR8139/2002 2002-02-15
KR10-2002-0008140A KR100415399B1 (en) 2002-02-15 2002-02-15 Lower cutter for mini print
KR10-2002-0008139A KR100430518B1 (en) 2002-02-15 2002-02-15 Paper cutting apparatus for mini print
KR8140/2002 2002-02-15
KR20020008138 2002-02-15
KR10-2002-0030744A KR100432500B1 (en) 2002-02-15 2002-05-31 Cutting apparatus for mini print
KR30744/2002 2002-05-31

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CN2008101289117A Division CN101412329B (en) 2002-02-15 2002-10-09 Lower cutter for compact printer and cutting device including the same
CNB2005101184802A Division CN100560375C (en) 2002-02-15 2002-10-09 Bottom cutter for small printer and cutting device including same
CN2008101289121A Division CN101407139B (en) 2002-02-15 2002-10-09 Cutter for compact printer

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CN1438119A CN1438119A (en) 2003-08-27
CN1235749C true CN1235749C (en) 2006-01-11

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JP2003246545A (en) 2003-09-02
US20030156882A1 (en) 2003-08-21

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